MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains numerous embedded URLs and a visual download button, suggesting an attempt to trick users into downloading further content. The presence of external URI heuristics and a link farm further supports this phishing and redirection pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://bestorkate.com/uploads/ckeditor/files/98641701238.pdf In PDF document text
- http://prosquash.by/data/47169292884.pdfIn PDF document text
- http://remobudostol.pl/pliki/konokojizusekus.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/vedenugizizufevuf.pdfIn PDF document text
- https://agriturismoilcolle.org/userfiles/file/47256676113.pdfIn PDF document text
- https://daulte.ch/ckfinder/userfiles/files/27111773053.pdfIn PDF document text
- http://poaglasses.com/uploads/files/202109131630001716.pdfIn PDF document text
- http://homeopathyhongkong.org/files/mififanirol.pdfIn PDF document text
- http://citranco.com/users/files/tugiriteba.pdfIn PDF document text
- http://peter-crooks.com/userfiles/file/99745346363.pdfIn PDF document text
- http://majubesar.net/contents/files/pefuropavowalunufu.pdfIn PDF document text
- https://ptkas.com/kingkong/userfiles/files/wevavidobopikutusuwezevof.pdfIn PDF document text
- https://living-stone.lu/userfiles/files/33979655284.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e1b8b1b464---49168930244.pdfIn PDF document text
- https://abicecream.ru/ckfinder/userfiles/files/42512061154.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fce9437ac7---84842460426.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/88550933979.pdfIn PDF document text
- https://qkon.ca/images/file/wujimemorulawajota.pdfIn PDF document text
- http://boldino-hotel.com/ckfinder/userfiles/files/xejizomujomub.pdfIn PDF document text
- https://gencatakan.com/upload/file/35325162272.pdfIn PDF document text
- http://www.gesas.it/media/mailinglist/file/92563737486.pdfIn PDF document text
- https://karlholmbygg.se/UserFiles/files/rixaragisibodifebofixuxap.pdfIn PDF document text
- https://marugame.hk/editor_upload/file/lufawubozibo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=download+internet+download+manager+fullPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b510.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB510 | 16580 bytes |
SHA-256: 1af8daab88bc4ae56e525d444bb8d5a0e597da7a9fe22af94ecc70ec70a305a2 |
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font_01_sfnt_off0000df4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f766.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF766 | 10716 bytes |
SHA-256: 34bee30a9aaeb433637841ca5326106601c6e84975abbdefcd8e1a59e8d140df |
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